developer.jp - dns.ninja

developer.jp

DNSSEC⚠️ Not signed
A2405:6580:9b80:3800:3b60:dbe3:12b8:875🇯🇵 ASAHI-NET2405:6580::/29 Asahi Net, Inc.
A122.249.237.241🇯🇵 ASAHI-NET122.249.0.0/16
NSns1.value-domain.com
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.value-domain.com ⚠️ Not in zone NS records
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns5.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXaspmx.l.google.com
A2607:f8b0:4004:c1f::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpd-in-f26.1e100.net
A172.253.122.27🇺🇸 Google172.253.122.0/24
PTRbh-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=0GrghPYnIVgdiAoT7pvyCosVmb5bkE0rfIhMWE0JIGE
TXTv=spf1 ip4:122.249.237.241 mx:mozilla.gr.jp include:_spf.google.com -all
SOAns1.value-domain.comhostmaster@developer.jp 2026-04-26 #1

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1780891203

Same first word

Similar names

DNS History

16 records (14 active, 2 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comns4.value-domain.comns5.value-domain.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA122.249.237.2412405:6580:9b80:3800:3b60:dbe3:12b8:8752405:6580:8080:2b00:2dc0:87cf:610d:48172405:6580:8080:2b00:aaa:c562:d0df:800d
NSns1.value-domain.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
NSns2.value-domain.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
NSns3.value-domain.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
NSns4.value-domain.com2026-02-15 → 2026-06-08 · 3 obs
○ 2015-08-11 03:06:14
● 2026-02-15 01:33:00
● 2026-06-08 04:11:22
NSns5.value-domain.com2026-02-15 → 2026-06-08 · 3 obs
○ 2015-08-11 03:06:14
● 2026-02-15 01:33:00
● 2026-06-08 04:11:22
MXalt1.aspmx.l.google.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
MXalt2.aspmx.l.google.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
MXaspmx.l.google.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
MXaspmx2.googlemail.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
MXaspmx3.googlemail.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
MXaspmx4.googlemail.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
MXaspmx5.googlemail.com2015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
A122.249.237.2412015-08-11 → 2026-06-08 · 2 obs
● 2015-08-11 03:06:14
● 2026-06-08 04:11:22
A2405:6580:8080:2b00:2dc0:87cf:610d:48172021-09-15 → 2021-09-15 · 4 obs
○ 2015-08-11 03:06:14
● 2021-09-15 16:51:42
○ 2026-02-15 01:33:00
○ 2026-06-08 04:11:22
A2405:6580:8080:2b00:aaa:c562:d0df:800d2026-02-15 → 2026-04-18 · 5 obs
○ 2021-09-15 16:51:42
● 2026-02-15 01:33:00
● 2026-04-18 17:07:12
○ 2026-05-01 00:35:30
○ 2026-06-08 04:11:22
A2405:6580:9b80:3800:3b60:dbe3:12b8:8752026-05-01 → 2026-06-08 · 3 obs
○ 2026-04-18 17:07:12
● 2026-05-01 00:35:30
● 2026-06-08 04:11:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
developer.jpns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com...-

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developer.jp (unsigned zone)

⏱️ Timing

Total: 2072ms | Queries: -

📄 Records

TypeCountSample Data
A1122.249.237.241
AAAA12405:6580:9b80:3800:3b60:dbe3:12b8:875
NS3ns3.value-domain.com, ns1.value-domain.com...
MX7alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 20)...
TXT2v=spf1 ip4:122.249.237.241 mx:mozilla.gr, google-site-verification=0GrghPYnIVgdiAo
SOA1ns1.value-domain.com hostmaster.develope

Analysis

IP Addresses

developer.jp points to two IP numbers: 122.249.237.241 and 2405:6580:9b80:3800:3b60:dbe3:12b8:875.

Additional host names — www.dev.jp, b3.siisise.net, x237241.ppp.asahi-net.or.jp and two others — share IP numbers with developer.jp.

Name Servers

Authority for developer.jp is spread across 5 name servers; listed: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.

There is at least partial name server overlap between developer.jp and other domains — ichibou.com, pentagamers.com, shadowzero.com and two more among them.

These name servers are frequently paired with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.

Host names with two IP numbers:

ns1.value-domain.com has two IP addresses: 172.64.52.38 and 172.64.52.161.

ns2.value-domain.com has two IP addresses: 172.64.53.3 and 172.64.53.115.

ns3.value-domain.com has two IP addresses: 172.64.52.38 and 172.64.52.161.

ns4.value-domain.com has two IP addresses: 172.64.53.3 and 172.64.53.115.

ns5.value-domain.com has two IP addresses: 172.64.52.38 and 172.64.52.161.

ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com are host names that all point to 172.64.52.38.

ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com are host names that all point to 172.64.52.161.

Host names pointing to 172.64.53.3 IP addresses: ns2.value-domain.com and ns4.value-domain.com.

Host names pointing to 172.64.53.115 IP addresses: ns2.value-domain.com and ns4.value-domain.com.

Mail Servers

Email to developer.jp is handled by 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and four others.

developer.jp shares mail servers — at least in part — with other domains, including janetoar.com, askcr.cz, savetrees.org and two others.

These mail servers are frequently used alongside mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and three others.

Host names with two IP numbers:

aspmx2.googlemail.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

aspmx5.googlemail.com has two IP addresses: 173.194.76.27 and 2a00:1450:400c:c00::1b.

aspmx.l.google.com has two IP addresses: 172.253.122.27 and 2607:f8b0:4004:c1f::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

Host names pointing to 2800:3f0:4003:c0f::1a IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 108.177.123.26 IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 172.253.116.26 IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.